Void Phantoms are passive, rare mobs.
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Void Phantoms spawn in the Void, the Voidwarp End, the Withus, the Voidwarp Withus, the Voidwarp Corruption, and the Between-space.
Void Phantoms are shaped like players, with an entirely black skin and large, dim yellow eyes. They do not have any AI, but instead slowly fade to nothing in a two-second period of time as soon as they spawn.